Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2004-05-14
2004-12-21
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
D0500145
CLAIM:
The ornamental design for a ladder tray, as shown and described.
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patent: 5957238 (1999-09-01), Curvin, II
patent: D447818 (2001-09-01), Weber
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